docs: simplify example

Author: gunjjoshi

lib/node_modules/@stdlib/math/base/special/lcmf/README.md

@@ -104,13 +104,10 @@ v = lcmf( 48, NaN );
 var randu = require( '@stdlib/random/array/discrete-uniform' );
 var lcmf = require( '@stdlib/math/base/special/lcmf' );
 
-var a;
-var b;
+var a = randu( 100, 0, 50 );
+var b = randu( 100, 0, 50 );
 var i;
 
-a = randu( 100, 0, 50 );
-b = randu( 100, 0, 50 );
-
 for ( i = 0; i < 100; i++ ) {
     console.log( 'lcmf(%d,%d) = %d', a[ i ], b[ i ], lcmf( a[ i ], b[ i ] ) );
 }

lib/node_modules/@stdlib/math/base/special/lcmf/examples/index.js

@@ -21,13 +21,10 @@
 var randu = require( '@stdlib/random/array/discrete-uniform' );
 var lcmf = require( './../lib' );
 
-var a;
-var b;
+var a = randu( 100, 0, 50 );
+var b = randu( 100, 0, 50 );
 var i;
 
-a = randu( 100, 0, 50 );
-b = randu( 100, 0, 50 );
-
 for ( i = 0; i < 100; i++ ) {
 	console.log( 'lcmf(%d,%d) = %d', a[ i ], b[ i ], lcmf( a[ i ], b[ i ] ) );
 }